Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Assamese
জলাহ
←
Assamese
জলাশয়
(doublet)
←
Sanskrit
जलाशय
(inherited)
→
Assamese
জলহুৱা
(suffix)